Looks different than the tractor stilts on this page 

http://oldtractorpictures.com/Ford/

See some mention about a few high clearance ones in cane areas ?

Couple others on this page.

http://www.tractorlinks.com/cgi-bin/frameit.cgi?url=http://www.reocities.com/Heartland/1662/ford.html

Could also make it more unique with an adapter to put in a Ford flathead V-8 or a GM 4.3 L V6

http://redrockmfg.com/products/engine-conversions/